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- W2915421274 abstract "ObjectiveThe purpose of the Society for Vascular Surgery Vascular Quality Initiative thoracic endovascular aortic repair (TEVAR) for dissection project is to assess the effectiveness of TEVAR for type B dissection by evaluation in a prospective quality improvement registry. Here we describe the project cohort and 30-day outcomes of TEVAR for both acute dissection (AD) and chronic dissection (CD) patients and focus specifically on outcomes of uncomplicated AD patients based on timing of treatment.MethodsSummary statistics were performed comparing patients with AD (<30 days) and patients with CD. Both groups were further divided into those with complicated (ie, malperfusion or rupture) or uncomplicated presentation. Further subdivision of the uncomplicated AD patients into treatment at ≤48 hours, >48 hours to <7 days, ≥7 days to ≤14 days, and >14 days to <30 days was performed. Kaplan-Meier analysis was performed for 30-day survival and freedom from reintervention.ResultsData for 397 patients (204 AD patients and 193 CD patients) were collected from 40 institutions. Overall, AD patients were younger than CD patients (58.8 vs 62.2 years; P = .003). Technical success, including coverage of the primary entry tear, was 98.0% for AD patients and 99.0% for CD patients, with a trend toward a higher 30-day mortality in AD patients (AD, 9.3%; CD, 5.2%; P = .126). Any degree of procedure-related spinal cord ischemia occurred in 4.4% of AD patients vs 2.1% of CD patients (P = .261), with a deficit at discharge in 3.4% of AD patients vs 0.5% of CD patients (P = .068). Disabling stroke occurred in 2.5% of AD patients vs 1.6% of CD patients (P = .725); retrograde type A dissection occurred in 1.1% of AD patients vs 2.6% of CD patients (P = .412). There was a trend toward a lower freedom from reintervention in AD patients (90.7% vs 94.8%; P = .13). In uncomplicated AD patients, rapid aortic expansion was more common in the treatment groups of ≥7 days to ≤14 days and >14 days to <30 days compared with those treated within 7 days of dissection (P = .042). The uncomplicated AD cohorts based on timing of treatment were otherwise similar in demographics and presentation, with no significant differences in 30-day mortality or serious complications, such as spinal cord ischemia, stroke, or retrograde type A dissection. The 30-day reintervention rate for uncomplicated AD patients was 5.8%, with no apparent differences in reintervention rates according to timing of treatment of initial TEVAR.ConclusionsAs expected, AD patients demonstrated a trend toward a higher 30-day mortality and lower freedom from reintervention compared with CD patients. Mortality at 30 days after TEVAR for uncomplicated AD was 5.8%, and there were no clear patterns in mortality or reintervention based on timing of treatment. Further study and evaluation at longer follow-up are needed to determine the impact of timing of intervention in uncomplicated AD patients." @default.
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- W2915421274 date "2019-03-01" @default.
- W2915421274 modified "2023-10-16" @default.
- W2915421274 title "Thirty-day outcomes from the Society for Vascular Surgery Vascular Quality Initiative thoracic endovascular aortic repair for type B dissection project" @default.
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- W2915421274 doi "https://doi.org/10.1016/j.jvs.2018.06.203" @default.
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